Salem /ˈseɪləm/ is the capital of the U.S. state of Oregon, and the county seat of Marion County. It is located in the center of the Willamette Valley alongside the Willamette River, which runs north through the city. The river forms the boundary between Marion and Polk counties, and the city neighborhood of West Salem is in Polk County. Salem was founded in 1842, became the capital of the Oregon Territory in 1851, and was incorporated in 1857.
As of the census of 2010, there were 154,637 people, 57,290 households, and 36,261 families residing in the city. The population density was 3,228.3 inhabitants per square mile (1,246.5/km). There were 61,276 housing units at an average density of 1,279.2 per square mile (493.9/km). The racial makeup of the city was 79.0% White, 1.5% African American, 1.5% Native American, 2.7% Asian, 0.9% Pacific Islander, 10.1% from other races, and 4.3% from two or more races. Hispanic or Latino of any race were 20.3% of the population.
There were 57,290 households of which 33.8% had children under the age of 18 living with them, 45.0% were married couples living together, 13.0% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 36.7% were non-families. 28.8% of all households were made up of individuals and 10.4% had someone living alone who was 65 years of age or older. The average household size was 2.55 and the average family size was 3.15.
The median age in the city was 34.5 years. 25.2% of residents were under the age of 18; 10.8% were between the ages of 18 and 24; 27.6% were from 25 to 44; 24.5% were from 45 to 64; and 12% were 65 years of age or older. The gender makeup of the city was 49.9% male and 50.1% female.
As of the census of 2000, there were 136,924 people, 50,676 households, and 32,331 families residing in the city. The population density was 2,994.0 people per square mile (1,156.1/km²). There were 53,817 housing units at an average density of 1,176.8 per square mile (454.4/km²). The racial makeup of the city was 83.1% White, 1.3% African American, 1.5% Native American, 2.4% Asian, 0.5% Pacific Islander, 7.9% from other races, and 3.4% from two or more races. Hispanic or Latino of any race were 14.6% of the population. Non-Hispanic Whites were 70.7% of the population in 2010, compared to 88.6% in 1990.
There were 50,676 households out of which 32.4% had children under the age of 18 living with them, 47.7% were married couples living together, 11.6% had a female householder with no husband present, and 36.2% were non-families. 28.3% of all households were made up of individuals and 10.5% had someone living alone who was 65 years of age or older. The average household size was 2.53 and the average family size was 3.10.
In the city, the population was spread out with 25.4% under the age of 18, 11.4% from 18 to 24, 30.1% from 25 to 44, 20.6% from 45 to 64, and 12.4% who were 65 years of age or older. The median age was 34 years. For every 100 females, there were 100.9 males. For every 100 females age 18 and over, there were 99.5 males.
The median income for a household in the city was $38,881, and the median income for a family was $46,409. Males had a median income of $34,746 versus $26,789 for females. The per capita income for the city was $19,141. About 10.5% of families and 15.0% of the population were below the poverty line, including 20.2% of those under age 18 and 7.1% of those age 65 or over.